bt2: Add remaining trace-ir `*Const` classes and adapt tests

[babeltrace.git] / tests / bindings / python / bt2 / test_event_class.py

diff --git a/tests/bindings/python/bt2/test_event_class.py b/tests/bindings/python/bt2/test_event_class.py
index ffc10bc4bdac703635f5c24f442844f78906ec51..131907107ec2de8ccf785c77a5a56ca37a1e8448 100644 (file)
--- a/tests/bindings/python/bt2/test_event_class.py
+++ b/tests/bindings/python/bt2/test_event_class.py
@@ -19,6 +19,50 @@
 import unittest
 import bt2
 from utils import get_default_trace_class
+from bt2 import stream_class as bt2_stream_class
+from bt2 import event_class as bt2_event_class
+from bt2 import field_class as bt2_field_class
+from bt2 import value as bt2_value
+from utils import TestOutputPortMessageIterator
+
+
+def _create_const_event_class(tc, stream_class):
+    fc1 = tc.create_structure_field_class()
+    fc2 = tc.create_structure_field_class()
+    event_class = stream_class.create_event_class(
+        payload_field_class=fc1, specific_context_field_class=fc2
+    )
+
+    class MyIter(bt2._UserMessageIterator):
+        def __init__(self, self_port_output):
+
+            trace = tc()
+            stream = trace.create_stream(stream_class)
+            self._msgs = [
+                self._create_stream_beginning_message(stream),
+                self._create_event_message(event_class, stream),
+            ]
+
+        def __next__(self):
+            if len(self._msgs) == 0:
+                raise StopIteration
+
+            return self._msgs.pop(0)
+
+    class MySrc(bt2._UserSourceComponent, message_iterator_class=MyIter):
+        def __init__(self, params, obj):
+            self._add_output_port('out', params)
+
+    graph = bt2.Graph()
+    src_comp = graph.add_component(MySrc, 'my_source', None)
+    msg_iter = TestOutputPortMessageIterator(graph, src_comp.output_ports['out'])
+
+    # Ignore first message, stream beginning
+    _ = next(msg_iter)
+
+    event_msg = next(msg_iter)
+
+    return event_msg.event.cls
 
 
 class EventClassTestCase(unittest.TestCase):
@@ -41,6 +85,7 @@ class EventClassTestCase(unittest.TestCase):
     def test_create_default(self):
         ec = self._stream_class.create_event_class()
 
+        self.assertIs(type(ec), bt2_event_class._EventClass)
         self.assertIsNone(ec.name, 'my_event')
         self.assertTrue(type(ec.id), int)
         self.assertIsNone(ec.specific_context_field_class)
@@ -58,6 +103,16 @@ class EventClassTestCase(unittest.TestCase):
         fc = self._tc.create_structure_field_class()
         ec = self._stream_class.create_event_class(specific_context_field_class=fc)
         self.assertEqual(ec.specific_context_field_class.addr, fc.addr)
+        self.assertIs(
+            type(ec.specific_context_field_class), bt2_field_class._StructureFieldClass
+        )
+
+    def test_const_create_specific_context_field_class(self):
+        ec_const = _create_const_event_class(self._tc, self._stream_class)
+        self.assertIs(
+            type(ec_const.specific_context_field_class),
+            bt2_field_class._StructureFieldClassConst,
+        )
 
     def test_create_invalid_specific_context_field_class(self):
         with self.assertRaises(TypeError):
@@ -67,6 +122,16 @@ class EventClassTestCase(unittest.TestCase):
         fc = self._tc.create_structure_field_class()
         ec = self._stream_class.create_event_class(payload_field_class=fc)
         self.assertEqual(ec.payload_field_class.addr, fc.addr)
+        self.assertIs(
+            type(ec.payload_field_class), bt2_field_class._StructureFieldClass
+        )
+
+    def test_const_create_payload_field_class(self):
+        ec_const = _create_const_event_class(self._tc, self._stream_class)
+        self.assertIs(
+            type(ec_const.payload_field_class),
+            bt2_field_class._StructureFieldClassConst,
+        )
 
     def test_create_invalid_payload_field_class(self):
         with self.assertRaises(TypeError):
@@ -101,6 +166,11 @@ class EventClassTestCase(unittest.TestCase):
     def test_create_user_attributes(self):
         ec = self._stream_class.create_event_class(user_attributes={'salut': 23})
         self.assertEqual(ec.user_attributes, {'salut': 23})
+        self.assertIs(type(ec.user_attributes), bt2_value.MapValue)
+
+    def test_const_create_user_attributes(self):
+        ec_const = _create_const_event_class(self._tc, self._stream_class)
+        self.assertIs(type(ec_const.user_attributes), bt2_value._MapValueConst)
 
     def test_create_invalid_user_attributes(self):
         with self.assertRaises(TypeError):
@@ -113,3 +183,8 @@ class EventClassTestCase(unittest.TestCase):
     def test_stream_class(self):
         ec = self._stream_class.create_event_class()
         self.assertEqual(ec.stream_class.addr, self._stream_class.addr)
+        self.assertIs(type(ec.stream_class), bt2_stream_class._StreamClass)
+
+    def test_const_stream_class(self):
+        ec_const = _create_const_event_class(self._tc, self._stream_class)
+        self.assertIs(type(ec_const.stream_class), bt2_stream_class._StreamClassConst)